12613317216 has 48 divisors (see below), whose sum is σ = 33115748400. Its totient is φ = 4203703808.

The previous prime is 12613317193. The next prime is 12613317239. The reversal of 12613317216 is 61271331621.

It is an interprime number because it is at equal distance from previous prime (12613317193) and next prime (12613317239).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021930 + ... + 1034198.

It is an arithmetic number, because the mean of its divisors is an integer number (689911425).

Almost surely, 2^12613317216 is an apocalyptic number.

12613317216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12613317216 is an abundant number, since it is smaller than the sum of its proper divisors (20502431184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12613317216 is a wasteful number, since it uses less digits than its factorization.

12613317216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22991 (or 22983 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

Adding to 12613317216 its reverse (61271331621), we get a palindrome (73884648837).

The spelling of 12613317216 in words is "twelve billion, six hundred thirteen million, three hundred seventeen thousand, two hundred sixteen".